Duphalac is a syrup medication designed to alleviate constipation, available in a 200 ml bottle. It contains the active ingredient lactulose, with each 5 ml of Duphalac delivering 3.335 g of lactulose. Produced by Abbott Pharmaceuticals, this product does not contain any excipients. Duphalac works by increasing the frequency of bowel movements and the number of days with bowel activity, promoting digestive health.